The chemistry of liquid chlorine converting to a gas dictates how the gas spreads, and drivers on the highway are among the first to encounter the toxic cloud.

Pictured: Jack Rabbit II test. Photograph courtesy Andrew Byrnes, Utah Valley University, 2016.

The chemistry of liquid chlorine converting to a gas dictates how the gas spreads, and drivers on the highway are among the first to encounter the toxic cloud. Pictured: Jack Rabbit II test. Photograph courtesy Andrew Byrnes, Utah Valley University, 2016.

Part 1 Chapter 2 "Flash"

The tragic story of the 1996 Alberton, Montana, train crash and the largest release of chlorine gas in US railroad history. One train rider is killed, while hundreds are acutely injured. Many will suffer chronic symptoms for years to come, and seek justice for their toxic exposure.

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Part 1 Chapter 2 "Flash"

Part 1 Chapter 2 "Flash"